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Remove not alphanumeric characters from string

... Removing non-alphanumeric chars The following is the/a correct regex to strip non-alphanumeric chars from an input string: input.replace(/\W/g, '') Note that \W is the equivalent of [^0-9a-zA-Z_] - it includes the underscore character. To also rem...
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Select SQL Server database size

... Try this one - Query: SELECT database_name = DB_NAME(database_id) , log_size_mb = CAST(SUM(CASE WHEN type_desc = 'LOG' THEN size END) * 8. / 1024 AS DECIMAL(8,2)) , row_size_mb = CAST(SUM(CASE WHEN type_desc = 'ROWS' THEN size END) ...
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How do I find where an exception was thrown in C++?

...rwrite sigaction with caller's address array[1] = caller_address; char ** messages = backtrace_symbols(array, size); // skip first stack frame (points here) for (int i = 1; i < size && messages != NULL; ++i) { std::cerr << "[bt]: (" << i << ") "...
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Which characters need to be escaped when using Bash?

Is there any comprehensive list of characters that need to be escaped in Bash? Can it be checked just with sed ? 7 Answers...
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Stripping everything but alphanumeric chars from a string in Python

What is the best way to strip all non alphanumeric characters from a string, using Python? 11 Answers ...
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C++ multiline string literal

...act that adjacent string literals are concatenated by the compiler: const char *text = "This text is pretty long, but will be " "concatenated into just a single string. " "The disadvantage is that you have to quote " "each part, and newlines must be literal as " "usual."; The indentatio...
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Finding current executable's path without /proc/self/exe

... Solaris: char exepath[MAXPATHLEN]; sprintf(exepath, "/proc/%d/path/a.out", getpid()); readlink(exepath, exepath, sizeof(exepath));; that's different from getexecname() - which does the equiv of pargs -x <PID> | grep AT_SUN_EXECN...
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Simple Digit Recognition OCR in OpenCV-Python

...de a small code in OpenCV. It does following things: It loads the image. Selects the digits ( obviously by contour finding and applying constraints on area and height of letters to avoid false detections). Draws the bounding rectangle around one letter and wait for key press manually. This time we...
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Linux: is there a read or recv from socket with timeout?

How can I try to read data from socket with timeout? I know, select, pselect, poll, has a timeout field, but using of them disables "tcp fast-path" in tcp reno stack. ...
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Render partial from different folder (not shared)

...nc base.PartialViewLocationFormats = base.PartialViewLocationFormats.Union(NEW_PARTIAL_VIEW_FORMATS).ToArray(); } } Then in your Global.asax.cs file, add the following line: ViewEngines.Engines.Add(new NewViewEngine()); ...